/* Interactive mission timeline (views/project.js).
   Triggers: .gantt-label, .gantt-bar, .gantt-dot, .gantt-cluster, .gantt-av, marker labels.
   Popover: .tl-pop, one shared glass card in a body-level layer. Tokens only. */

/* ---------- triggers ---------- */
.gantt-label,
.gantt-bar,
.gantt-dot,
.gantt-cluster {
  appearance: none; -webkit-appearance: none; font: inherit; color: inherit; cursor: pointer;
}
.gantt-label {
  align-self: stretch; justify-content: center; margin: 0; padding: 0 10px 0 0; border: 0; background: none; text-align: left;
  border-radius: var(--radius-xs);
}
.gantt-label .chip { transition: filter var(--dur-fast), box-shadow var(--dur-fast); }
.gantt-label:hover .chip,
.gantt-label:focus-visible .chip { filter: brightness(1.35); box-shadow: 0 0 0 1px currentColor; }
.gantt-label:hover small,
.gantt-label:focus-visible small { color: var(--text-2); }

/* Bar: brighter on hover, with a taller invisible hit area. */
.gantt-bar {
  display: block; margin: 0; padding: 0; z-index: 1;
  transition: background-color var(--dur-fast), box-shadow var(--dur-fast), filter var(--dur-fast);
}
.gantt-bar::after { content: ''; position: absolute; inset: -9px 0; }
.gantt-bar:hover,
.gantt-bar:focus-visible {
  background: color-mix(in srgb, var(--c) 78%, transparent);
  box-shadow: 0 0 14px -2px var(--c);
  filter: brightness(1.15);
}

/* Dots: sideways offset (--dx) keeps same-day dots separately reachable. */
.gantt-dot {
  display: block; padding: 0; border: 0; z-index: 2;
  margin: -5px 0 0 calc(-5px + var(--dx, 0px));
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast);
}
.gantt-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; }
.gantt-dot--stage { z-index: 1; }
.gantt-dot:hover,
.gantt-dot:focus-visible {
  transform: scale(1.45); z-index: 3;
  box-shadow: 0 0 0 2px var(--mw-navy-850), 0 0 12px 1px var(--c);
}

/* Numbered cluster, used when more than three tasks share a day. */
.gantt-cluster {
  position: absolute; top: 50%; z-index: 2; display: grid; place-items: center;
  min-width: 20px; height: 20px; margin: -10px 0 0 calc(-10px + var(--dx, 0px)); padding: 0 5px; border: 0; border-radius: var(--radius-pill);
  background: var(--c); color: #06101f; font-family: var(--font-notch); font-size: 11px; line-height: 1;
  box-shadow: 0 0 0 2px var(--mw-navy-850);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast);
}
.gantt-cluster:hover,
.gantt-cluster:focus-visible { transform: scale(1.15); box-shadow: 0 0 0 2px var(--mw-navy-850), 0 0 12px 1px var(--c); }

/* Avatar at the row end. */
.gantt-av-cell { display: flex; justify-content: flex-end; }
.gantt-av { display: inline-grid; border-radius: 50%; text-decoration: none; transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast); }
.gantt-av:hover,
.gantt-av:focus-visible { transform: scale(1.12); filter: brightness(1.15); }

/* Today and Launch labels are the interactive part of the markers. */
.gantt-marker span[data-tl] { pointer-events: auto; cursor: default; transition: filter var(--dur-fast), box-shadow var(--dur-fast); }
.gantt-marker--launch span[data-tl] { cursor: pointer; }
.gantt-marker span[data-tl]:hover,
.gantt-marker span[data-tl]:focus-visible { filter: brightness(1.08); box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 18%, transparent); }

/* ---------- popover ---------- */
.tl-pop {
  position: fixed; z-index: var(--z-popover); left: 0; top: 0;
  width: 340px; max-width: calc(100vw - 16px); overflow-y: auto; overscroll-behavior: contain;
  padding: 14px; border-radius: var(--radius-md);
  background: var(--surface-2); border: 1px solid var(--line-2); box-shadow: var(--shadow-pop);
  backdrop-filter: blur(var(--blur-heavy)); -webkit-backdrop-filter: blur(var(--blur-heavy));
  color: var(--text-1); font-size: 13px; line-height: 1.4;
}
.tl-pop.is-fresh { animation: tl-pop-in var(--dur-fast) var(--ease-out) both; }
.tl-pop[data-side="top"].is-fresh { animation-name: tl-pop-in-up; }
@keyframes tl-pop-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@keyframes tl-pop-in-up { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.tl-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.tl-head b { font-weight: 500; font-size: 14px; min-width: 0; overflow-wrap: anywhere; }
.tl-head--person { flex-wrap: nowrap; }
.tl-head--person > span:last-child { display: grid; min-width: 0; }
.tl-head small { color: var(--text-3); font-size: 12px; }
.tl-sub { margin-top: 2px; color: var(--text-3); font-family: var(--font-notch); font-size: 12px; }
.tl-big { margin-top: 8px; font-size: 15px; }
.is-late { color: var(--status-late); }

.tl-prog { display: flex; align-items: center; gap: 10px; margin-top: 10px; color: var(--text-2); font-size: 12px; }
.tl-prog-bar { flex: 1; height: 6px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.tl-prog-bar i { display: block; height: 100%; border-radius: 3px; background: var(--c, var(--status-active)); }
.tl-prog > span { white-space: nowrap; font-family: var(--font-notch); }

.tl-people { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; }
.tl-person { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.tl-person > span:last-child { display: inline-flex; flex-direction: column; line-height: 1.2; }
.tl-person small { color: var(--text-4); font-size: 10px; text-transform: uppercase; letter-spacing: .04em; font-family: var(--font-notch); }
.tl-pop .av { box-shadow: 0 0 0 1px var(--line-2); }

.tl-facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 10px 0 0; }
.tl-facts dt { color: var(--text-4); font-size: 12px; padding-top: 1px; }
.tl-facts dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

.tl-list { display: grid; gap: 2px; margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--line-1); }
.tl-task {
  display: grid; grid-template-columns: 8px minmax(0, 1fr) auto auto; align-items: center; gap: 8px;
  width: 100%; padding: 6px 6px; margin: 0 -6px; width: calc(100% + 12px);
  border: 0; border-radius: var(--radius-xs); background: none; color: inherit; font: inherit; text-align: left; cursor: pointer;
  transition: background-color var(--dur-fast);
}
.tl-task:hover,
.tl-task:focus-visible { background: var(--surface-3); }
.tl-task i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.tl-task-t { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tl-task-m { color: var(--text-3); font-family: var(--font-notch); font-size: 11px; white-space: nowrap; }
.tl-task-m.is-late { color: var(--status-late); }
.tl-more { padding: 4px 0 0; color: var(--text-4); font-size: 12px; }

.tl-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line-1); }
.tl-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 12px; text-decoration: none; border-radius: var(--radius-xs); }
.tl-link svg { width: 14px; height: 14px; }
.tl-link:hover,
.tl-link:focus-visible { color: var(--text-1); }

@media (max-width: 480px) {
  .tl-pop { width: calc(100vw - 16px); }
}
@media (prefers-reduced-motion: reduce) {
  .tl-pop.is-fresh { animation: none; }
  .gantt-dot, .gantt-bar, .gantt-cluster, .gantt-av, .gantt-label .chip, .tl-task { transition: none; }
  .gantt-dot:hover, .gantt-dot:focus-visible, .gantt-cluster:hover, .gantt-cluster:focus-visible, .gantt-av:hover, .gantt-av:focus-visible { transform: none; }
}